diff --git a/src/rose/rose_build_misc.cpp b/src/rose/rose_build_misc.cpp
index 9f309985..f627017c 100644
--- a/src/rose/rose_build_misc.cpp
+++ b/src/rose/rose_build_misc.cpp
@@ -77,6 +77,8 @@ RoseBuildImpl::RoseBuildImpl(ReportManager &rm_in, SomSlotManager &ssm_in,
       hasSom(false),
       group_weak_end(0),
       group_end(0),
+      anchored_base_id(MO_INVALID_IDX),
+      nonbenefits_base_id(MO_INVALID_IDX),
       ematcher_region_size(0),
       floating_direct_report(false),
       eod_event_literal_id(MO_INVALID_IDX),